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100 amps of electricity crackle in a vacuum chamber, creating a
spark that transforms carbon vapor into tiny structures. Depending
on the conditions, these structures can be shaped like little,
60-atom soccer balls, or like rolled-up tubes of atoms, arranged
in a chicken-wire pattern, with rounded ends. These tiny, carbon
nanotubes, discovered by Sumio Iijima at NEC labs in 1991, have
amazing properties. They are 100 times stronger than steel, but
weigh only one-sixth as much. They are incredibly resilient
under physical stress; even when kinked to a 120-degree angle,
they will bounce back to their original form, undamaged. And
they can carry electrical current at levels that would vaporize
ordinary copper wires.
Learn more about carbon nanotubes from the many resources on this site, listed below. More information on Carbon nanotubes can be found here.
Interfacing Carbon Nanotubes with Biological Systems: From Biosensors to Cellular Transporters
4.0 out of 5 stars
12 Dec 2004 | Online Presentations | Contributor(s): Hongjie Dai
This talk will discuss two relatively new topics in carbon nanotube research. The first is nanotubes for chemical and biological sensors, an exploration motivated by the ultra high surface area of...
Vertically Aligned Carbon Nanotube for Interconnects and Nanoelectrode Based Biosensors
0.0 out of 5 stars
26 Aug 2004 | Online Presentations | Contributor(s): Jun Li
In the past few years, tremendous progress in the growth of carbon nanotubes (CNTs) has been made, which enabled the fabrication of various CNT devices for applications in electronics, biomedical...
Electronic Transport in Semi-conducting Carbon Nanotube Transistor Devices
4.5 out of 5 stars
12 Apr 2004 | Online Presentations | Contributor(s): Joerg Appenzeller
Recent demonstrations of high performance carbon nanotube field-effect transistors (CNFETs) highlight their potential for a future nanotube-based electronics. Besides being just a nanometer in...
Nanoelectronics/Mechanics With Carbon Nanotubes
12 Apr 2004 | Online Presentations | Contributor(s): Ji-Yong Park
In this talk, I will present efforts to understand electrical/mechanical properties of carbon nanotubes (CNTs) by combining electric transport measurements and the scanning probe microscopy.